<!DOCTYPE html>
<html lang='en'>

<head>
  <meta charset='UTF-8'>
  <meta http-equiv='X-UA-Compatible' content='IE=edge'>
  <meta name='viewport' content='width=device-width, initial-scale=1.0'>
  <title>不支持移动设备</title>
  <style>
    body {
      display: flex;
      justify-content: center;
      flex-direction: column;
      align-items: center;
    }

    h3 {
      font-size: 23px;
      color: rgb(143, 143, 143);
    }
  </style>
</head>

<body>
  <h3>不支持移动设备</h3>
  <h3>如果想使用移动设备阅读epub图书</h3>
  <h3>推荐使用【微信读书】！！</h3>
</body>

</html>